Decorative grate



FIG. 1 is a perspective view showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a left side view thereof; the opposite side being a mirror image of the side shown; and,

FIG. 4 is a bottom side view thereof; the opposite side being a mirror image of the side shown.

The rear plan view of the decorative grate is not shown, and forms no part of our invention. 

CLAIM The ornamental design for a decorative grate, as shown and described. 